George Yancopoulos serves as Executive at REGENERON PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, George Yancopoulos has executed 388 insider transactions totaling $467.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 31, 2025 involved exercising options for 28,570 shares valued at $0.
George Yancopoulos currently holds 595,077 shares of REGENERON PHARMACEUTICALS INC (REGN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, George Yancopoulos has been a net seller of REGN stock. They have purchased $0 and sold $467.7M worth of shares.
George Yancopoulos's most recent insider trade was on Dec 31, 2025, when they sold 28,570 shares at $0.00 per share.
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| $772.09 |
| Discretionary |
| Dec 31, 2025 | REGN | $0 | Option Exercise | 28,570 | $N/A | Discretionary |
| Dec 9, 2025 | REGN | $92.5M | Payment | 131,874 | $701.51 | Discretionary |
| Dec 9, 2025 | REGN | $81.6M | Option Exercise | 146,815 | $555.67 | Discretionary |
| Jun 10, 2024 | REGN | $0 | Gift | 75,799 | $N/A | Discretionary |
| Jun 10, 2024 | REGN | $0 | Gift | 37,900 | $N/A | Discretionary |
| May 16, 2024 | REGN | $4.8M | Sale | 4,886 | $976.52 | Planned |
| May 16, 2024 | REGN | $1.2M | Sale | 1,227 | $977.38 | Planned |
| May 16, 2024 | REGN | $370.7K | Sale | 379 | $978.18 | Planned |
| May 16, 2024 | REGN | $9.0M | Sale | 9,242 | $975.48 | Planned |
| May 16, 2024 | REGN | $877.4K | Sale | 907 | $967.40 | Planned |
| May 16, 2024 | REGN | $3.1M | Sale | 3,213 | $968.44 | Planned |
| May 16, 2024 | REGN | $2.6M | Sale | 2,653 | $973.80 | Planned |
| May 16, 2024 | REGN | $7.4M | Sale | 7,611 | $974.51 | Planned |
| May 16, 2024 | REGN | $9.2M | Sale | 9,501 | $969.39 | Planned |
| May 16, 2024 | REGN | $4.5M | Sale | 4,669 | $970.26 | Planned |
| May 16, 2024 | REGN | $4.8M | Sale | 4,922 | $971.56 | Planned |
| May 16, 2024 | REGN | $768.1K | Sale | 790 | $972.22 | Planned |
| May 15, 2024 | REGN | $5.1M | Sale | 5,225 | $975.60 | Planned |
| May 15, 2024 | REGN | $4.7M | Sale | 4,778 | $974.47 | Planned |
| May 15, 2024 | REGN | $1.8M | Sale | 1,865 | $973.43 | Planned |
| May 15, 2024 | REGN | $762.4K | Sale | 784 | $972.50 | Planned |
| May 15, 2024 | REGN | $394.3K | Sale | 406 | $971.28 | Planned |
| May 15, 2024 | REGN | $820.9K | Sale | 846 | $970.36 | Planned |
| May 15, 2024 | REGN | $1.9M | Sale | 1,930 | $969.14 | Planned |
| May 15, 2024 | REGN | $118.7K | Sale | 120 | $989.14 | Planned |
| May 15, 2024 | REGN | $1.4M | Sale | 1,428 | $967.45 | Planned |
| May 15, 2024 | REGN | $755.6K | Sale | 782 | $966.29 | Planned |
| May 15, 2024 | REGN | $107.2K | Sale | 111 | $965.69 | Planned |